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| 型号： | MCP1702T-4002E/MB |
| 厂商： | Microchip Technology |
| 文件页数： | 11/26页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 4V .25A SOT89-3 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 4V |
| 输入电压： | 最高 13.2V |
| 电压 - 压降（标准）： | 0.525V @ 250mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 250mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-243AA |
| 供应商设备封装： | SOT-89-3 |
| 包装： | 标准包装 |
| 产品目录页面： | 667 (CN2011-ZH PDF) |
| 其它名称： | MCP1702T-4002E/MBDKR |
MCP1702
3.0
PIN DESCRIPTIONS
TABLE 3-1:
PIN FUNCTION TABLE
Pin No.
SOT-23A
1
2
3
–
Pin No.
SOT-89
1
3
2, Tab
–
Pin No.
TO-92
1
3
2
–
Symbol
GND
V OUT
V IN
NC
Function
Ground Terminal
Regulated Voltage Output
Unregulated Supply Voltage
No connection
3.1
Ground Terminal (GND)
3.3
Unregulated Input Voltage Pin
Regulator ground. Tie GND to the negative side of the
output and the negative side of the input capacitor.
Only the LDO bias current (2.0 μA typical) flows out of
this pin; there is no high current. The LDO output
regulation is referenced to this pin. Minimize voltage
drops between this pin and the negative side of the
load.
3.2 Regulated Output Voltage (V OUT )
Connect V OUT to the positive side of the load and the
positive terminal of the output capacitor. The positive
side of the output capacitor should be physically
located as close to the LDO V OUT pin as is practical.
The current flowing out of this pin is equal to the DC
load current.
? 2010 Microchip Technology Inc.
(V IN )
Connect V IN to the input unregulated source voltage.
Like all LDO linear regulators, low source impedance is
necessary for the stable operation of the LDO. The
amount of capacitance required to ensure low source
impedance will depend on the proximity of the input
source capacitors or battery type. For most
applications, 1 μF of capacitance will ensure stable
operation of the LDO circuit. For applications that have
load currents below 100 mA, the input capacitance
requirement can be lowered. The type of capacitor
used can be ceramic, tantalum or aluminum
electrolytic. The low ESR characteristics of the ceramic
will yield better noise and PSRR performance at
high-frequency.
DS22008E-page 11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1702T-4101E/CB | 制造商:Microchip Technology Inc 功能描述:LDO REGULATOR - Tape and Reel |
| MCP1702T-4102E/CB | 功能描述:低压差稳压器 - LDO Low Iq 250mA LDO Vin 13.2V max Vout=4.1V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1702T-4702E/CB | 功能描述:低压差稳压器 - LDO Low Iq 250mA LDO Vin 13.2V max Vout=4.7V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1702T-5002E/CB | 功能描述:低压差稳压器 - LDO LDO w/ Low Quiescent RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1702T-5002E/CB-CUT TAPE | 制造商:Microchip 功能描述:MCP1702 Series 250 mA 5.0 V LDO Positive Voltage Regulator - SOT-23-3 |
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